The time of development from rabbit embryo to offsprings is

  • 20-30 days
  • 45-50 days
  • 32-40 days
  • 30-32 days

The example of plants that are reproduced by grafting includes

  • plum trees
  • peach trees
  • seedless grapes
  • all of above

The process of gametes formation is called

  • primary oogonia
  • gametogenesis
  • cogenesis
  • spermatogenesis

The opening found at the end of the hilum through which pollen tube enters into the ovules is called

  • micropyle
  • radicle
  • Plumule
  • epicotyls

The secretions produced by seminal vesicle provide

  • fluid to sperms
  • nutrition to sperms
  • growth to sperms
  • movement to sperms

Lateral stems close to ground level are called

  • bulbs
  • corms
  • suckers
  • stem tubers

The transfer of pollen grains from the flower on one plant to the flower on another plant of the same species is called

  • cross pollination
  • insect pollination
  • wind pollination
  • self pollination

Considering the ovaries of the female reproductive system of rabbits, these are responsible for the production of

  • horns
  • egg cells
  • follicle
  • semen

The secretion that neutralizes the acidity of the fluid in the male reproductive system of the rabbit is produced by

  • Cowper's gland
  • prostate gland
  • seminal vesicles
  • seminiferous tubules

Units of androecium are called

  • petals
  • sepals
  • anther
  • stamens

The way of natural vegetative propagation in which food is stored in swollen and short underground stems is classified as

  • bulbs
  • corms
  • Rhizopus
  • root tubers

Female reproductive part of the flower is called

  • androecium
  • gynoecium
  • corolla
  • calyx

The latest method of vegetative propagation is

  • tissue culturing
  • budding
  • grafting
  • cloning

The inner whorls are protected by the sepals at

  • bud stage
  • shoot stage
  • leafing stage
  • stem stage

Secondary spermatocytes are

  • diploid daughter cells
  • haploid daughter cells
  • diploid daughter cells
  • triploid daughter cells

The structures prepared by the cells of ovaries where oogonia are present are called

  • oocytes
  • egg cells
  • follicles
  • calluses

The primary spermatocytes are produced by

  • spermatogonia
  • oogonia
  • primary spermatids
  • secondary spermatids

The types of mechanism for the occurrence of fertilization are

  • hypocotyls and epicotyls fertilization
  • oogenesis fertilization
  • spermatogenesis fertilization
  • external and internal fertilization

Diploid oogonia are produced within

  • ovaries
  • polar body
  • follicle
  • cyst

Myopia results from the elongation of

  • stem
  • root
  • shoot
  • leaf

The transfer of pollen grains to the flower of one plant from the flower of another plant is called

  • ovule pollination
  • cross pollination
  • self pollination
  • nuclei pollination

Hard walls formed by unicellular organisms under unfavorable conditions are called

  • cell walls
  • cysts
  • sporangia
  • spores

The reproductive system of females includes

  • ovaries and associated ducts
  • testes and associated ducts
  • fallopian tubes and testes
  • placenta and testes

The types of reproduction include

  • asexual reproduction only
  • sexual reproduction only
  • fragmented reproduction
  • asexual reproduction and sexual reproduction

The flower components are arranged in the form of

  • whorls
  • petals
  • sepals
  • stems

The changes occurred in non-motile spermatids converts the spermatids into

  • chromosome
  • acrosome
  • hostile cells
  • motile cells

After maturation, the sperms move from the epididymis to

  • testis
  • collecting duct
  • seminal vesicles
  • vas deferens

In most fungi, the thick-walled spore sacs called

  • spore sacs
  • sporangia
  • Sporophore
  • spore cells

The haploid gamete producing generation is

  • sporophyte
  • gametophyte
  • asexual
  • sexual

The flowers that have bright colored petals rather than dull petals are pollinated by

  • insects
  • wind
  • humans
  • rain
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